From Android :

To access from your Android device you must have installed the Android version 4.0.3 or higher and have Wi-Fi internet or 3G, although we recommend choosing preferably Wi-Fi for more speed. Finally, you must have on your device 20MB available for the installation of the application and nothing will be able to stop you!

From iOs :

To
access from your iPhone , iPod or iPad you must have version iOS 7.0 or higher and Wi-Fi or 3G, although we recommend Wi-Fi for
you to run the app faster. Also, you have to accept the permissions on your device as you can see in the following image:

Make sure you have free space on the device and you will only need to click to enjoy with us.